A progesterone level of 0.66 during ovulation may not mean pregnancy. Although progesterone levels will increase during ovulation, only a level above 1.43 is considered a normal pregnancy level. In addition, changes in progesterone levels are also affected by various factors, such as menstrual cycle, diet, medications, hormone levels, etc. Therefore, if the progesterone level is 0.66, it should be taken seriously and a doctor should be consulted for more detailed information.

Changes in progesterone levels are affected by many factors, such as the menstrual cycle, diet, medications, hormone levels, and more. Therefore, if a woman’s progesterone level is 0.66, she should pay enough attention and consult her doctor for more detailed information. The doctor may test a woman's urine and blood to determine if progesterone levels are normal, and may recommend other tests, such as an ultrasound or blood test, to determine pregnancy.

If a woman's progesterone level is 0.66, she should be concerned and consult her doctor for more detailed information. The doctor may test a woman's urine and blood to determine if progesterone levels are normal and may recommend other tests to determine whether she is pregnant. If a woman is unsure whether her progesterone levels are normal or is concerned about pregnancy, talk to her doctor for proper diagnosis and treatment advice.